Portable shower stall



FIG. 1 is a diagrammatic perspective of a portable shower stall.

FIG. 2 is a front elevational view thereof, the right side elevationalview being a mirror image of the front view.

FIG. 3 is a rear elevational view thereof, the left side elevationalview being a mirror image of the rear view.

FIG. 4 is a top plan view of the portable shower stall; and,

FIG. 5 is a bottom plan view thereof.

The ornamental design for a portable shower stall, as shown anddescribed.